package com.zyg.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.zyg.pojo.EchartsData;
import com.zyg.pojo.Hostel;

import java.util.List;

public interface HostelService extends IService<Hostel> {
    List<EchartsData> getGradeIndexData();
}
